Test Overview
Test Methodology

Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)

Reference Range *

50 - 240 ng/mL

Test Details
Days Set Up
Monday, Tuesday, Thursday, Friday
Analytic Time

7 - 14 days

Soft Order Code
MMLR
Synonyms
  • Ativan
Laboratory
Sendout
Reference Laboratory
Mayo LORAZ (80459) (MedTox 64)
Section
Special Testing
Specimen Requirements
Collection Instructions

Collect trough specimen in a green top or red top tube; do not use SST tube. Centrifuge, aliquot plasma or serum into a plastic vial and refrigerate.

Rejection Criteria
SST or PST tube not acceptable.
Yellow Top Tube
Red Top Tube
Normal Volume
2 mL plasma or serum
Minimum Volume
0.6 mL plasma or serum
Additional Information

Test sent to Mayo Medical Laboratories; performed by MedTox Laboratories.

Billing
CPT Code
80346
LOINC
59703-9
NY State Approved
No